Search  for anything...

4 Stroke Racing Engine, 125CC Engine Motor Manual Clutch Kick Starter Single-Cylinder Horizontal Motorcycle Dirt Bike Motor with 0.24Gal Fuel Tank for Go Kart Quad Dirt Bike ATV Rocket Car (5.5KW)

  • Based on 0 reviews
Condition: New
Checking for the best price...
$272.99 Why this price?

Buy Now, Pay Later


As low as $45.50 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Hsongtan

Arrives Sep 19 – Sep 21
Order within 10 hours and 35 minutes
Available payment plans shown during checkout

Size: 5.5KW


Features

  • Powerful ForceThe 5.5KW high-power parallel 4-stroke single-cylinder engine has a maximum speed of 7500 375RPM, coupled with a torque of 8.5N. m, allowing you to easily shuttle through various terrains.
  • CDI IgnitionThis 125cc engine motor adopts CDI ignition which optimizes the timing and intensity of sparks and enhances fuel efficiency. Enjoy longer rides with minimum fuel consumption and easy maintenance.
  • Sturdy And DurableThis engine kit is made of high-quality aluminium alloy and cast steel, which is strong and durable.
  • Fast and SmoothThis 140cc engine motor is equipped with a 4-speed manual clutch, this engine ensures smooth gear transitions and precise control. The engine has a forced air-cooling system for providing good heat dissipation while working, extending its service life.
  • Simple InstallationThe product is manufactured in accordance with the original factory parameters and matches your car greatly. And the complete accessories allow you to complete installation and start using it in a short period of time.

Manufacturer: ‎YDOOLNG


Brand: ‎YDOOLNG


Model: ‎4Stroke 125-140CC 5.5-8KW


Item Weight: ‎75 pounds


Item model number: ‎4Stroke 125-140CC 5.5-8KW


Exterior: ‎Painted


Manufacturer Part Number: ‎4Stroke 125-140CC 5.5-8KW


Date First Available: June 20, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 19 – Sep 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews

No reviews yet

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...